The year 1628 in science and technology involved some significant events.

Medicine and physiology

• William Harvey publishes his findings about blood circulation in Exercitatio Anatomica de Motu Cordis et Sanguinis in Animalibus (published in Frankfurt).^[1]

Births

• March 10 – Marcello Malpighi, Italian physiologist (died 1694)
• April 23 – Johann van Waveren Hudde, Dutch mathematician (died 1704)
• Constantijn Huygens, Dutch statesman and telescope maker (died 1697)

Deaths

• June 8 – Rudolph Goclenius, German philosopher and polymath (born 1547)
• Yi Su-gwang, Korean scholar-bureaucrat (born 1563)